| Portlethen to Nyon | 818.61 mi (1,317.42 km) |
| Portlethen to Oberriet | 833.49 mi (1,341.37 km) |
| Portlethen to Obersiggenthal | 792.89 mi (1,276.04 km) |
| Portlethen to Oberwil | 774.67 mi (1,246.71 km) |
| Portlethen to Oberwingert | 802.28 mi (1,291.15 km) |
| Portlethen to Oftringen | 794.66 mi (1,278.88 km) |
| Portlethen to Olten | 792.27 mi (1,275.03 km) |
| Portlethen to Onex | 828.98 mi (1,334.11 km) |
| Portlethen to Opfikon | 802.49 mi (1,291.49 km) |
| Portlethen to Ostermundigen | 807.54 mi (1,299.61 km) |
| Portlethen to Payerne | 804.68 mi (1,295.00 km) |
| Portlethen to Pfaffikon | 811.57 mi (1,306.09 km) |
| Portlethen to Plan-les-Ouates | 830.34 mi (1,336.30 km) |
| Portlethen to Pratteln | 777.69 mi (1,251.57 km) |
| Portlethen to Prilly | 815.97 mi (1,313.17 km) |
